Reply to thread

Message: <blockquote data-quote="DJ.ROCKSTAR" data-source="post: 4470026" data-attributes="member: 108570">1. What is holography? Discuss how optical holography is used in NDT inspectionwith neat sketches. [16]2. (a) What are the physical and chemical characteristics of penetrants used for flawdetection?(b) Explain in detail the steps to be followed to apply penetrant flaw detectionmethod?[6+10]3. (a) What made the scientists to use Radio graphical methods for NDT?(b) What is the principle of Radio graphical method?(c) What are the sources used for NDT and briefly explain about the two majorsources used for industrial applications. [4+4+8]4. (a) Describe the basic principles involved in ultrasonic testing method.(b) What is the principal of UT method? [12+4]5. (a) What is the principle of magnetic particle flaw detection?(b) Describe the methods of magnetization. [12+4]6. (a) In what way eddy current inspection and magnetic inspection differs from eachother.(b) Discuss about the use of inspection coils in eddy current inspection system.[4+12]7. (a) State Faraday’s law of electromagnetic induction.(b) Explain how the flux leakage can be used to find the defects in a specimen.[4+12]8. (a) Give an account of special purpose acoustic emission systems.(b) Briefly explain acoustic noise. [4+12]Code No: NR411805 NRIV B.Tech I Semester Supplementary Examinations, February 2007NDT METHODS(Metallurgy & Material Technology)Time: 3 hours Max Marks: 80Answer any FIVE QuestionsAll Questions carry equal marks1. What is holography? Discuss how optical holography is used in NDT inspectionwith neat sketches. [16]2. (a) What are the physical and chemical characteristics of penetrants used for flawdetection?(b) Explain in detail the steps to be followed to apply penetrant flaw detectionmethod?[6+10]3. (a) What made the scientists to use Radio graphical methods for NDT?(b) What is the principle of Radio graphical method?(c) What are the sources used for NDT and briefly explain about the two majorsources used for industrial applications. [4+4+8]4. (a) Describe the basic principles involved in ultrasonic testing method.(b) What is the principal of UT method? [12+4]5. (a) What is the principle of magnetic particle flaw detection?(b) Describe the methods of magnetization. [12+4]6. (a) In what way eddy current inspection and magnetic inspection differs from eachother.(b) Discuss about the use of inspection coils in eddy current inspection system.[4+12]7. (a) State Faraday’s law of electromagnetic induction.(b) Explain how the flux leakage can be used to find the defects in a specimen.[4+12]8. (a) Give an account of special purpose acoustic emission systems.(b) Briefly explain acoustic noise. [4+12]</blockquote>

Verification: Dawasata paya keeyak thibeda?

Top Bottom